CN2637718Y - 丛式井“t”形上置式互动自平衡机电一体化智能抽油机 - Google Patents
丛式井“t”形上置式互动自平衡机电一体化智能抽油机 Download PDFInfo
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- CN2637718Y CN2637718Y CN 02239746 CN02239746U CN2637718Y CN 2637718 Y CN2637718 Y CN 2637718Y CN 02239746 CN02239746 CN 02239746 CN 02239746 U CN02239746 U CN 02239746U CN 2637718 Y CN2637718 Y CN 2637718Y
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CN 02239746 CN2637718Y (zh) | 2002-07-10 | 2002-07-10 | 丛式井“t”形上置式互动自平衡机电一体化智能抽油机 |
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CN 02239746 CN2637718Y (zh) | 2002-07-10 | 2002-07-10 | 丛式井“t”形上置式互动自平衡机电一体化智能抽油机 |
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CN2637718Y true CN2637718Y (zh) | 2004-09-01 |
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CN 02239746 Expired - Fee Related CN2637718Y (zh) | 2002-07-10 | 2002-07-10 | 丛式井“t”形上置式互动自平衡机电一体化智能抽油机 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008071089A1 (fr) * | 2006-12-15 | 2008-06-19 | Gangdu Cui | Unité de pompage de double puits de pétrole par entraînement par traction |
CN101748995B (zh) * | 2009-12-29 | 2012-11-28 | 中国重型机械研究院有限公司 | 一种双井摆臂式抽油机 |
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2002
- 2002-07-10 CN CN 02239746 patent/CN2637718Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008071089A1 (fr) * | 2006-12-15 | 2008-06-19 | Gangdu Cui | Unité de pompage de double puits de pétrole par entraînement par traction |
CN101748995B (zh) * | 2009-12-29 | 2012-11-28 | 中国重型机械研究院有限公司 | 一种双井摆臂式抽油机 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JINPAN SCIENCE & TECHNOLOGY CO., LTD., PANJIN CIT Free format text: FORMER OWNER: LI ZHENG; PATENTEE Effective date: 20060428 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Designer after: Zhang Yan Designer after: Yang Liping Designer after: Jiang Zhenya Designer before: Li Zheng Designer before: Xu Ping Designer before: Bai Fang |
|
COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: LI ZHENG; XU PING; BAI FANG TO: ZHANG YAN; YANG LIPING; JIANG ZHENYA |
|
TR01 | Transfer of patent right |
Effective date of registration: 20060428 Address after: 124010 5-4-1-601, century District, Panjin, Liaoning, Xinglongtai Patentee after: Jinpan Science &. Technology Co., Ltd., Panjin Address before: 101301, Beijing, Shunyi County hill No. 6 Building Co-patentee before: Xu Ping Patentee before: Li Zheng Co-patentee before: Bai Fang |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040901 Termination date: 20100710 |